Automated circuit artifact upload for release workflows

When running the full end-to-end groth16 flow, it looks like the default pre-built upstream SP1 circuit artifacts are no longer enough for verifying our proofs (verified with an aptos LC proof).

Either way, we may want to define a place to host these artifacts once we perform stable releases and make sure that we're using our own circuit artifacts by default instead of upstream's.

Start with the full end-to-end groth16 flow and the release workflows that select pre-built SP1 circuit artifacts. Trace how the upstream artifacts are chosen, then define where release artifacts should be hosted and how the project will use its own artifacts by default; verify the result with the Aptos LC proof flow.

Written by the indexing model from the issue text.